Get all files paths in direstory recursively

paths.py

def get_all_file_paths(root_path):
    paths = []
    for item in os.listdir(root_path):
        full_path = os.path.join(root_path, item)
        if os.path.isfile(full_path):
            paths.append(full_path)
        else:
            paths.extend(get_all_file_paths(full_path))
    return paths